4257355 has 4 divisors (see below), whose sum is σ = 5108832. Its totient is φ = 3405880.

The previous prime is 4257353. The next prime is 4257359. The reversal of 4257355 is 5537524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4257355 - 2¹ = 4257353 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁹ + 2¹³ + 5⁷ + 7⁴ + 3⁵ + 5⁹ + 5⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4257353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425731 + ... + 425740.

It is an arithmetic number, because the mean of its divisors is an integer number (1277208).

Almost surely, 2^4257355 is an apocalyptic number.

4257355 is a deficient number, since it is larger than the sum of its proper divisors (851477).

4257355 is an equidigital number, since it uses as much as digits as its factorization.

4257355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851476.

The product of its digits is 21000, while the sum is 31.

The square root of 4257355 is about 2063.3358912208. The cubic root of 4257355 is about 162.0739767811.

The spelling of 4257355 in words is "four million, two hundred fifty-seven thousand, three hundred fifty-five".